Create pr-format-check.yml action #11

	on:
	pull_request:
	branches:
	- main

	jobs:
	clang_format_check:
	name: Check Clang Format
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up clang-format
	run: sudo apt-get install clang-format

	- name: Fetch main branch
	run: git fetch origin main:main

	- name: Get commit ID of main branch
	run: \|
	MAIN_COMMIT=$(git rev-parse origin/main)
	echo "Commit ID of main branch: $MAIN_COMMIT"

	- name: Check code formatting
	run: \|
	git clang-format --style=firmware/.clang-format --diff $MAIN_COMMIT..HEAD '.cpp' '.h'

	- name: Check for changes
	id: check_changes
	run: \|
	git diff --exit-code \|\| (echo "Code is not formatted properly. Please run clang-format and commit the changes." && exit 1)

	- name: Complete
	if: steps.check_changes.outcome == 'success'
	run: echo "Code is properly formatted."

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